Arbitrary file upload in Verizon Lvskihp Indoorunit
CVE-2022-28369
Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not validate the user-provided URL within the crtcmode function's enable_ssh sub-operation of the crtcrpc JSON listener (found at /lib/functions/wnc_jsonsh/crtcmode.sh) A remote attacker on the local network can provide a malicious URL. The data (found at that URL) is written to /usr/sbin/dropbear and then executed as root.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.015 · change: +0.000
Affected products
- Verizon Lvskihp Indoorunit
- Verizon Lvskihp Indoorunit Firmware — versions 3.4.66.162
Weakness classification (CWE)
References
- www.verizon.com/info/reportsecurityvulnerability/ (Vendor Advisory)
- github.com/JousterL/SecWriteups/blob/main/Verizon LVSKIHP 5G Modem/readme.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-28369?
- CVE-2022-28369 is a critical-severity vulnerability in Verizon Lvskihp Indoorunit, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-07-14.
- How severe is CVE-2022-28369?
- Critical severity. CVSS v3 base score is 9.8 out of 10.